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Variational methods for the study of nonlinear operators. With a chapter on Newton’s method by L.V. Kantorovich and G.P. Akilov. Translated and supplemented by Amiel Feinstein. (English) Zbl 0122.35501
Holden-Day Series in Mathematical Physics. San Francisco-London- Amsterdam: Holden-Day, Inc. x, 323 pp. (1964).

47-02 Research exposition (monographs, survey articles) pertaining to operator theory
47-XX Operator theory